Chem 4

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Author:
chiroclown
ID:
26311
Filename:
Chem 4
Updated:
2010-07-11 00:14:05
Tags:
Gas Laws
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Description:
Gas Laws
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  1. Ideal Gas Law
    PV=nRT
  2. Universal Gas Constants
    3 Different R

    • R= (.082)L*ATM
    • molK

    • R=(8.314)J
    • molK

    • R= (62.44)L*Torr
    • molK
  3. Charles Law
    V as it relates to T
  4. Boyle's Law
    V as it relates to P
  5. Avogadro's Law
    V as it relates to n
  6. Before
    • PbVb= PaVa
    • ___________
    • Tb Ta
  7. Convert oC to K
    273.15 +oC
  8. Gas Density Calculations- Find Molar Mass of Gas
    • P=dRT
    • M

    • M=dRT
    • P
  9. Density
    • Mass
    • Volume

    • g
    • L
  10. To find Molecular formula
    • Find empircal formula
    • Find the molar mass of gas
    • Find Molar mass of empirical formula
    • Divide the amu (g/mol) by the molar mass
    • Multiply by the subscripts.

    • (Empirical Formula)x=Molecular Mass of elements or gas
    • Solve for x and mulitply x by the subscripts of Empirical Formula
  11. Dalton's Law of Partial Pressures
    Total # of moles of gas mixture= Sum of moles of individual components

    ntotal=na+nb+nc......

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